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cisco ap firmware

Posted on 2014-03-05
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Last Modified: 2014-03-16
Hi

I have a cisco AP 3602I which was working fine with WLC. I download new firmware to WLC and all my other AP’s updated successfully with image from WLC about 30 AP’s.

But one AP did not update firmware it gives an error cannot create directory in flash when I connect with console cable to AP.

So I formatted the flash in rommon mode successfully and I run command flash_init but it says the flash is already initialized. When I tried to download image from tftp I get error please see attached screen shot.

Any advice to get AP up and running again.
error.jpg
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Question by:ciscosupp
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Expert Comment

by:Craig Beck
ID: 39907266
Try doing it the TFTP recovery way instead...

- Rename the file to ap3g2-k9w7-tar.default and save it in the TFTP server folder.

- Give your PC IP 10.0.0.2/255.255.255.224 (make sure you're on the same VLAN as the AP).

- Power down the AP, then hold the MODE button and power up the AP, still holding the MODE button in.

- Keep the MODE button held in for at least 30s, then release.


The AP should try to download the image file.  If it does, let it do its thing.  It'll boot automatically.
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Author Comment

by:ciscosupp
ID: 39908880
Thanks I tried no luck.
I had pc on same vlan as AP got error see attached file and then I connect AP directly to pc got same error.
I also got now error by initializing flash see attached file.
Any advice
error.jpg
flash-init.jpg
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Expert Comment

by:Craig Beck
ID: 39908924
- Keep the MODE button held in for at least 30s, then release.

The image shows you only pressed the button for ~20s.

If you get to the ap: prompt, then do a flash_init then fsck flash: or format flash: you should be able to do the recovery.
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Author Comment

by:ciscosupp
ID: 39909704
I was holding mode buttom know for about 45 seconds stil get error (unable to create temp dir) see attached file.
error.jpg
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Expert Comment

by:Craig Beck
ID: 39909717
Ok, so format the FLASH: first, then try again.

If the Update folder is present the AP can't create a folder called 'Update' (as it already exists) so the upgrade fails.  This is pretty poor coding in my opinion but that's the way it works :-/
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Author Comment

by:ciscosupp
ID: 39909818
no I get same error where is says connection time out could the flash be corrupt
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Expert Comment

by:Craig Beck
ID: 39909852
Did you try to do a FSCK?  If you have tried that and it still fails there is probably a problem with the FLASH:
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Author Comment

by:ciscosupp
ID: 39909863
when I run fsck flash: it give errors sometimes
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Author Comment

by:ciscosupp
ID: 39909890
or with what command can I try to copy image to flash
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Craig Beck earned 2000 total points
ID: 39909903
That command will do a file-system check.  What errors does it give you?
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Author Comment

by:ciscosupp
ID: 39932800
thanks craigbeck
Cisco will replace ap its faulty
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